Introduce central location for turning FEATURE_EVENT_TRACE on/off

Turn FEATURE_EVENT_TRACE on for x64 Linux only. aarch64 and arm do not
have working lttng in their ubuntu/debian repos. We can expand to other
platforms in the future as they become supported.

5 files changed, 9 insertions, 10 deletions

diff --git a/src/dlls/mscoree/coreclr/CMakeLists.txt b/src/dlls/mscoree/coreclr/CMakeLists.txt
index 1d428193f5..0901404913 100644
--- a/src/dlls/mscoree/coreclr/CMakeLists.txt
+++ b/src/dlls/mscoree/coreclr/CMakeLists.txt
@@ -114,12 +114,11 @@ else()
     )
 endif(WIN32)
 
-if(CLR_CMAKE_PLATFORM_LINUX)
+if(CLR_CMAKE_PLATFORM_UNIX AND FEATURE_EVENT_TRACE)
     list(APPEND CORECLR_LIBRARIES
         eventprovider
   )
-  
-endif(CLR_CMAKE_PLATFORM_LINUX)
+endif(CLR_CMAKE_PLATFORM_UNIX AND FEATURE_EVENT_TRACE)
 
 target_link_libraries(coreclr ${CORECLR_LIBRARIES}) 
 
diff --git a/src/pal/src/CMakeLists.txt b/src/pal/src/CMakeLists.txt
index b411cd4ec0..f527922e7b 100644
--- a/src/pal/src/CMakeLists.txt
+++ b/src/pal/src/CMakeLists.txt
@@ -253,9 +253,9 @@ endif(CMAKE_SYSTEM_NAME STREQUAL Darwin)
 
 add_subdirectory(examples)
 
-if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+if(FEATURE_EVENT_TRACE)
     add_subdirectory($ENV{__IntermediatesDir}/Generated/eventprovider ${CMAKE_CURRENT_BINARY_DIR}/eventprovider)
-endif(CMAKE_SYSTEM_NAME STREQUAL Linux)
+endif(FEATURE_EVENT_TRACE)
 
 # Install the static PAL library for VS
 install (TARGETS coreclrpal DESTINATION lib)
diff --git a/src/pal/src/configure.cmake b/src/pal/src/configure.cmake
index 7817873d5f..b3386d2cbc 100644
--- a/src/pal/src/configure.cmake
+++ b/src/pal/src/configure.cmake
@@ -979,7 +979,7 @@ else() # Anything else is Linux
     unset(HAVE_LIBUNWIND_H CACHE)
     message(FATAL_ERROR "Cannot find libunwind. Try installing libunwind8 and libunwind8-dev (or the appropriate packages for your platform)")
   endif()
-  if(NOT HAVE_LTTNG_TRACEPOINT_H)
+  if(NOT HAVE_LTTNG_TRACEPOINT_H AND FEATURE_EVENT_TRACE)
     unset(HAVE_LTTNG_TRACEPOINT_H CACHE)
     message(FATAL_ERROR "Cannot find liblttng-ust-dev. Try installing liblttng-ust-dev  (or the appropriate packages for your platform)")
   endif()
diff --git a/src/scripts/genXplatEventing.py b/src/scripts/genXplatEventing.py
index f56e45b474..b844ec19b4 100644
--- a/src/scripts/genXplatEventing.py
+++ b/src/scripts/genXplatEventing.py
@@ -495,7 +495,7 @@ def generateSanityTest(sClrEtwAllMan,testDir):
                    )
     set(EVENT_PROVIDER_DEPENDENCIES "")
     set(EVENT_PROVIDER_LINKER_OTPTIONS "")
-    if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+    if(FEATURE_EVENT_TRACE)
         add_definitions(-DFEATURE_EVENT_TRACE=1)
             list(APPEND EVENT_PROVIDER_DEPENDENCIES
                  coreclrtraceptprovider
@@ -505,7 +505,7 @@ def generateSanityTest(sClrEtwAllMan,testDir):
                  ${EVENT_PROVIDER_DEPENDENCIES}
                  )
 
-    endif(CMAKE_SYSTEM_NAME STREQUAL Linux)
+    endif(FEATURE_EVENT_TRACE)
 
     add_dependencies(eventprovidertest  ${EVENT_PROVIDER_DEPENDENCIES} coreclrpal)
     target_link_libraries(eventprovidertest
diff --git a/src/vm/CMakeLists.txt b/src/vm/CMakeLists.txt
index c489ed1932..c65416c7cd 100644
--- a/src/vm/CMakeLists.txt
+++ b/src/vm/CMakeLists.txt
@@ -268,11 +268,11 @@ set(VM_SOURCES_WKS
     weakreferencenative.cpp
 )
 
-if(CLR_CMAKE_PLATFORM_LINUX OR WIN32)
+if(FEATURE_EVENT_TRACE)
     list(APPEND VM_SOURCES_WKS
         eventtrace.cpp
         )
-endif(CLR_CMAKE_PLATFORM_LINUX OR WIN32)
+endif(FEATURE_EVENT_TRACE)
 
 if(WIN32)